Generated by Cython 3.0.0b3
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Click on a line that starts with a "+" to see the C code that Cython generated for it.
Raw output: clm.c
+0001: # cython: c_string_type=unicode
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0002: # cython: c_string_encoding=utf8
0003:
+0004: import ctypes
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+0005: from functools import singledispatch, partial
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+0006: import math
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+0007: import random
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+0008: import subprocess
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+0009: import tempfile
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+0010: import time
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+0011: import types
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0012: import cython
0013: from cython.cimports.cpython.mem import PyMem_Malloc, PyMem_Realloc, PyMem_Free
0014: from cython cimport view
+0015: import numpy as np
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0016: cimport numpy as np
+0017: import numpy.typing as npt
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0018: cimport pysndlib.cclm as cclm
0019: cimport pysndlib.csndlib as csndlib
+0020: from pysndlib.sndlib import Sample, Header
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0021:
0022:
0023:
0024:
+0025: np.import_array()
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0026:
0027:
0028:
0029: # --------------- clm enums ---------------- #
+0030: cpdef enum Interp:
enum __pyx_t_8pysndlib_3clm_Interp {
__pyx_e_8pysndlib_3clm_NONE,
__pyx_e_8pysndlib_3clm_LINEAR,
__pyx_e_8pysndlib_3clm_SINUSOIDAL,
__pyx_e_8pysndlib_3clm_ALL_PASS,
__pyx_e_8pysndlib_3clm_LAGRANGE,
__pyx_e_8pysndlib_3clm_BEZIER,
__pyx_e_8pysndlib_3clm_HERMITE
};
0031: """
0032: various interpolation types
0033: """
0034: NONE, LINEAR,SINUSOIDAL, ALL_PASS, LAGRANGE, BEZIER, HERMITE
0035:
+0036: cpdef enum Window:
enum __pyx_t_8pysndlib_3clm_Window {
__pyx_e_8pysndlib_3clm_RECTANGULAR,
__pyx_e_8pysndlib_3clm_HANN,
__pyx_e_8pysndlib_3clm_WELCH,
__pyx_e_8pysndlib_3clm_PARZEN,
__pyx_e_8pysndlib_3clm_BARTLETT,
__pyx_e_8pysndlib_3clm_HAMMING,
__pyx_e_8pysndlib_3clm_BLACKMAN2,
__pyx_e_8pysndlib_3clm_BLACKMAN3,
__pyx_e_8pysndlib_3clm_BLACKMAN4,
__pyx_e_8pysndlib_3clm_EXPONENTIAL,
__pyx_e_8pysndlib_3clm_RIEMANN,
__pyx_e_8pysndlib_3clm_KAISER,
__pyx_e_8pysndlib_3clm_CAUCHY,
__pyx_e_8pysndlib_3clm_POISSON,
__pyx_e_8pysndlib_3clm_GAUSSIAN,
__pyx_e_8pysndlib_3clm_TUKEY,
__pyx_e_8pysndlib_3clm_DOLPH_CHEBYSHEV,
__pyx_e_8pysndlib_3clm_HANN_POISSON,
__pyx_e_8pysndlib_3clm_CONNES,
__pyx_e_8pysndlib_3clm_SAMARAKI,
__pyx_e_8pysndlib_3clm_ULTRASPHERICAL,
__pyx_e_8pysndlib_3clm_BARTLETT_HANN,
__pyx_e_8pysndlib_3clm_BOHMAN,
__pyx_e_8pysndlib_3clm_FLAT_TOP,
__pyx_e_8pysndlib_3clm_BLACKMAN5,
__pyx_e_8pysndlib_3clm_BLACKMAN6,
__pyx_e_8pysndlib_3clm_BLACKMAN7,
__pyx_e_8pysndlib_3clm_BLACKMAN8,
__pyx_e_8pysndlib_3clm_BLACKMAN9,
__pyx_e_8pysndlib_3clm_BLACKMAN10,
__pyx_e_8pysndlib_3clm_RV2,
__pyx_e_8pysndlib_3clm_RV3,
__pyx_e_8pysndlib_3clm_RV4,
__pyx_e_8pysndlib_3clm_MLT_SINE,
__pyx_e_8pysndlib_3clm_PAPOULIS,
__pyx_e_8pysndlib_3clm_DPSS,
__pyx_e_8pysndlib_3clm_SINC
};
0037: """
0038: many useful windows
0039: """
0040: RECTANGULAR, HANN, WELCH, PARZEN, BARTLETT, HAMMING, BLACKMAN2, BLACKMAN3, BLACKMAN4, EXPONENTIAL, RIEMANN, KAISER, CAUCHY, POISSON, GAUSSIAN, TUKEY, DOLPH_CHEBYSHEV, HANN_POISSON, CONNES, SAMARAKI, ULTRASPHERICAL, BARTLETT_HANN, BOHMAN, FLAT_TOP, BLACKMAN5, BLACKMAN6, BLACKMAN7, BLACKMAN8, BLACKMAN9, BLACKMAN10, RV2, RV3, RV4, MLT_SINE, PAPOULIS, DPSS, SINC,
0041:
+0042: cpdef enum Spectrum:
enum __pyx_t_8pysndlib_3clm_Spectrum {
__pyx_e_8pysndlib_3clm_IN_DB,
__pyx_e_8pysndlib_3clm_NORMALIZED,
__pyx_e_8pysndlib_3clm_RAW
};
0043: """
0044: types of normalizations when using the spectrum function. The results are in dB if IN_DB, or linear and normalized to 1.0 NORMALIZED, or linear unnormalized RAW
0045: """
0046: IN_DB, NORMALIZED, RAW
0047:
+0048: cpdef enum Polynomial:
enum __pyx_t_8pysndlib_3clm_Polynomial {
__pyx_e_8pysndlib_3clm_EITHER_KIND,
__pyx_e_8pysndlib_3clm_FIRST_KIND,
__pyx_e_8pysndlib_3clm_SECOND_KIND,
__pyx_e_8pysndlib_3clm_BOTH_KINDS
};
0049: """
0050: used for polynomial based gens
0051: """
0052: EITHER_KIND, FIRST_KIND, SECOND_KIND, BOTH_KINDS
0053:
0054:
0055:
0056: # --------------- function types for ctypes ---------------- #
+0057: INPUTCALLBACK = ctypes.CFUNCTYPE(ctypes.c_double, ctypes.c_void_p, ctypes.c_int)
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+0058: EDITCALLBACK = ctypes.CFUNCTYPE(ctypes.c_int, ctypes.c_void_p)
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0137:
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PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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__pyx_t_3 = PyTuple_New(5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 140, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_5 = 0; __pyx_t_6 = 127; __Pyx_INCREF(__pyx_kp_u_ndarrays_of_unequal_shape); __pyx_t_5 += 26; __Pyx_GIVEREF(__pyx_kp_u_ndarrays_of_unequal_shape); PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_kp_u_ndarrays_of_unequal_shape); __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_arr1, __pyx_n_s_shape); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 140, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_1 = __Pyx_PyObject_FormatSimple(__pyx_t_2, __pyx_empty_unicode); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 140, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_1); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_6 = (__Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_1) > __pyx_t_6) ? __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_1) : __pyx_t_6; __pyx_t_5 += __Pyx_PyUnicode_GET_LENGTH(__pyx_t_1); __Pyx_GIVEREF(__pyx_t_1); PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_1); __pyx_t_1 = 0; __Pyx_INCREF(__pyx_kp_u_vs); __pyx_t_5 += 5; __Pyx_GIVEREF(__pyx_kp_u_vs); PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_kp_u_vs); __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_arr2, __pyx_n_s_shape); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 140, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_1); __pyx_t_2 = __Pyx_PyObject_FormatSimple(__pyx_t_1, __pyx_empty_unicode); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 140, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; __pyx_t_6 = (__Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_2) > __pyx_t_6) ? __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_2) : __pyx_t_6; __pyx_t_5 += __Pyx_PyUnicode_GET_LENGTH(__pyx_t_2); __Pyx_GIVEREF(__pyx_t_2); PyTuple_SET_ITEM(__pyx_t_3, 3, __pyx_t_2); __pyx_t_2 = 0; __Pyx_INCREF(__pyx_kp_u__3); __pyx_t_5 += 1; __Pyx_GIVEREF(__pyx_kp_u__3); PyTuple_SET_ITEM(__pyx_t_3, 4, __pyx_kp_u__3); __pyx_t_2 = __Pyx_PyUnicode_Join(__pyx_t_3, 5, __pyx_t_5, __pyx_t_6); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 140, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_builtin_RuntimeError, __pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 140, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_Raise(__pyx_t_3, 0, 0, 0); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __PYX_ERR(0, 140, __pyx_L1_error)
0141:
+0142: csndlib.mus_error_set_handler(<csndlib.mus_error_handler_t *>clm_error_handler)
(void)(mus_error_set_handler(((mus_error_handler_t *)__pyx_f_8pysndlib_3clm_clm_error_handler)));
0143:
0144:
+0145: cdef bint is_simple_filter(gen: mus_any):
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/* … */
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+0146: return cclm.mus_is_one_zero(gen._ptr) or cclm.mus_is_one_pole(gen._ptr) or cclm.mus_is_two_zero(gen._ptr) or cclm.mus_is_two_pole(gen._ptr)
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} else {
__pyx_t_1 = __pyx_t_2;
goto __pyx_L3_bool_binop_done;
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__pyx_t_2 = mus_is_one_pole(__pyx_v_gen->_ptr);
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0147:
0148:
0149:
0150: # todo add mus_set_xcoeff and mus_set_ycoeff
0151:
0152: # --------------- extension types ---------------- #
0153:
+0154: cdef class mus_any:
struct __pyx_obj_8pysndlib_3clm_mus_any {
PyObject_HEAD
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mus_any *_ptr;
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0640:
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0685: """
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0687:
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1864: """
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1874: """
1875: value of envelope env at x.
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1902: """
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1914:
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1918:
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1920:
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1925:
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1927: """
1928: next sample from envelope generator.
1929:
1930: :param gen: env gen
1931: :param fm: change frequency of repetition
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1933: """
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1938:
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1940: """
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1942:
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1947:
1948: # todo envelope-interp different than env-interp
1949:
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1956: """
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1986: """
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2038: """
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2770: """
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2782: """
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2792: """
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2794:
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2796: :rtype: bool
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2799:
2800: # make def for *args. are there other ways
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2802: """
2803: return a new two_pole filter: y(n) = a0 x(n) - b1 y(n-1) - b2 y(n-2).
2804:
2805: :param frequency: Center frequency \in Hz
2806: :param radius: Radius of filter. Refers to the unit circle, so it should be between 0.0 and (less than) 1.0.
2807: :param kwargs: If frequency and radius not provided, these should be keyword arguments 'a0', 'b1', 'b2'
2808: :return: two_pole gen
2809: :rtype: mus_any
2810: """
2811:
+2812: if kwargs:
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+2814: return mus_any.from_ptr(cclm.mus_make_two_pole(kwargs.get('a0'), kwargs.get('b1'), kwargs.get('b2')))
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2815: else:
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2817:
2818: else:
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/* … */
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2821: else:
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2823:
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2825: """
2826: two pole filter of input.
2827:
2828: :param gen: two_pole gen
2829: :param insig: input
2830: :rtype: float
2831:
2832: """
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2834:
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2836: """
2837: returns True if gen is a two_pole.
2838:
2839: :param gen: gen
2840: :rtype: bool
2841: """
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2843:
2844: # make def for *args. are there other ways
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2846: """
2847: return a new two_zero filter: y(n) = a0 x(n) + a1 x(n-1) + a2 x(n-2).
2848:
2849: :param frequency: Center frequency \in Hz
2850: :param radius: Radius of filter. Refers to the unit circle, so it should be between 0.0 and (less than) 1.0.
2851: :param kwargs: If frequency and radius not provided, these should be keyword arguments 'a0', 'a1', 'a2'
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2853: :rtype: mus_any
2854: """
2855:
+2856: if kwargs:
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+2857: if 'a0' in kwargs and 'a1' in kwargs and 'a1' in kwargs:
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+2858: return mus_any.from_ptr(cclm.mus_make_two_zero(kwargs.get('a0'), kwargs.get('a1'), kwargs.get('a2')))
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2859: else:
+2860: raise KeyError(f'Filter needs values for a0, a1, a2')
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3342:
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3370:
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3457:
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/* function exit code */
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/* … */
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/* … */
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4310:
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4322:
4323: """
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4341:
4342: """
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4381: """
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4418: function; if it returns True, the default analysis code is also called. 'edit', if given, takes 1 arg,
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4420: the generator; it is called to get the current vocoder output.
4421:
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4426: :param pitch: pitch scaling ratio
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4428: :param edit: if used, overrides default. functions of one argument, the phase_vocoder mus_any. change amplitudes and phases
4429: :param synthesize: if used, overrides default. unctions of one argument, the phase_vocoder mus_any.
4430: :return: phase_vocoder gen
4431:
4432: """
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4435: cdef cclm.edit_cb cy_edit_f_ptr
4436: cdef cclm.analyze_cb cy_analyze_f_ptr
4437: cdef cclm.synthesize_cb cy_synthesize_f_ptr
4438:
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__Pyx_GetModuleGlobalName(__pyx_t_3, __pyx_n_s_clm_channels); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 4730, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_5 = NULL; __pyx_t_6 = 0; if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) { __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_3); if (likely(__pyx_t_5)) { PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3); __Pyx_INCREF(__pyx_t_5); __Pyx_INCREF(function); __Pyx_DECREF_SET(__pyx_t_3, function); __pyx_t_6 = 1; } } { PyObject *__pyx_callargs[2] = {__pyx_t_5, __pyx_v_revout}; __pyx_t_4 = __Pyx_PyObject_FastCall(__pyx_t_3, __pyx_callargs+1-__pyx_t_6, 1+__pyx_t_6); __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 4730, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; } __Pyx_DECREF_SET(__pyx_v_reverb_channels, __pyx_t_4); __pyx_t_4 = 0;
4731: #<void*>(<mus_any>inp)._ptr
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__pyx_t_1 = __Pyx_TypeCheck(__pyx_v_output, __pyx_ptype_8pysndlib_3clm_mus_any);
if (__pyx_t_1) {
/* … */
}
4733:
+4734: out = <mus_any>output
__pyx_t_4 = __pyx_v_output;
__Pyx_INCREF(__pyx_t_4);
__pyx_v_out = ((struct __pyx_obj_8pysndlib_3clm_mus_any *)__pyx_t_4);
__pyx_t_4 = 0;
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__pyx_t_4 = __pyx_v_revout;
__Pyx_INCREF(__pyx_t_4);
__pyx_v_rout = ((struct __pyx_obj_8pysndlib_3clm_mus_any *)__pyx_t_4);
__pyx_t_4 = 0;
+4736: res = mus_any.from_ptr(cclm.mus_make_locsig(degree, distance, reverb, channels, out._ptr, reverb_channels, rout._ptr, interp_type))
__pyx_t_7 = __pyx_PyFloat_AsDouble(__pyx_v_degree); if (unlikely((__pyx_t_7 == ((mus_float_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 4736, __pyx_L1_error) __pyx_t_8 = __pyx_PyFloat_AsDouble(__pyx_v_distance); if (unlikely((__pyx_t_8 == ((mus_float_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 4736, __pyx_L1_error) __pyx_t_9 = __pyx_PyFloat_AsDouble(__pyx_v_reverb); if (unlikely((__pyx_t_9 == ((mus_float_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 4736, __pyx_L1_error) __pyx_t_6 = __Pyx_PyInt_As_int(__pyx_v_channels); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 4736, __pyx_L1_error) __pyx_t_10 = __Pyx_PyInt_As_int(__pyx_v_reverb_channels); if (unlikely((__pyx_t_10 == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 4736, __pyx_L1_error) __pyx_t_11 = ((mus_interp_t)__Pyx_PyInt_As_mus_interp_t(__pyx_v_interp_type)); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 4736, __pyx_L1_error) __pyx_t_4 = ((PyObject *)__pyx_vtabptr_8pysndlib_3clm_mus_any->from_ptr(mus_make_locsig(__pyx_t_7, __pyx_t_8, __pyx_t_9, __pyx_t_6, __pyx_v_out->_ptr, __pyx_t_10, __pyx_v_rout->_ptr, __pyx_t_11), NULL)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 4736, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __pyx_v_res = ((struct __pyx_obj_8pysndlib_3clm_mus_any *)__pyx_t_4); __pyx_t_4 = 0;
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__Pyx_XDECREF((PyObject *)__pyx_r); __Pyx_INCREF((PyObject *)__pyx_v_res); __pyx_r = __pyx_v_res; goto __pyx_L0;
4738:
4739: # todo: what if revout is not an iterable? while possible not going to deal with it right now :)
+4740: elif is_list_or_ndarray(output):
__pyx_t_4 = __pyx_f_8pysndlib_3clm_is_list_or_ndarray(__pyx_v_output, 0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 4740, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely((__pyx_t_1 < 0))) __PYX_ERR(0, 4740, __pyx_L1_error) __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; if (likely(__pyx_t_1)) { /* … */ }
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__pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_v_reverb_channels); if (unlikely((__pyx_t_1 < 0))) __PYX_ERR(0, 4741, __pyx_L1_error) __pyx_t_2 = (!__pyx_t_1); if (__pyx_t_2) { /* … */ }
+4742: reverb_channels = 0
__Pyx_INCREF(__pyx_int_0); __Pyx_DECREF_SET(__pyx_v_reverb_channels, __pyx_int_0);
4743:
+4744: res = mus_any.from_ptr(cclm.mus_make_locsig(degree, distance, reverb, channels, NULL, reverb_channels, NULL, interp_type))
__pyx_t_9 = __pyx_PyFloat_AsDouble(__pyx_v_degree); if (unlikely((__pyx_t_9 == ((mus_float_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 4744, __pyx_L1_error) __pyx_t_8 = __pyx_PyFloat_AsDouble(__pyx_v_distance); if (unlikely((__pyx_t_8 == ((mus_float_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 4744, __pyx_L1_error) __pyx_t_7 = __pyx_PyFloat_AsDouble(__pyx_v_reverb); if (unlikely((__pyx_t_7 == ((mus_float_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 4744, __pyx_L1_error) __pyx_t_10 = __Pyx_PyInt_As_int(__pyx_v_channels); if (unlikely((__pyx_t_10 == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 4744, __pyx_L1_error) __pyx_t_6 = __Pyx_PyInt_As_int(__pyx_v_reverb_channels); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 4744, __pyx_L1_error) __pyx_t_11 = ((mus_interp_t)__Pyx_PyInt_As_mus_interp_t(__pyx_v_interp_type)); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 4744, __pyx_L1_error) __pyx_t_4 = ((PyObject *)__pyx_vtabptr_8pysndlib_3clm_mus_any->from_ptr(mus_make_locsig(__pyx_t_9, __pyx_t_8, __pyx_t_7, __pyx_t_10, NULL, __pyx_t_6, NULL, __pyx_t_11), NULL)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 4744, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __pyx_v_res = ((struct __pyx_obj_8pysndlib_3clm_mus_any *)__pyx_t_4); __pyx_t_4 = 0;
+4745: cclm.mus_locsig_set_detour(res._ptr, <cclm.detour_cb>locsig_detour_callback_func)
mus_locsig_set_detour(__pyx_v_res->_ptr, ((detour_cb)__pyx_f_8pysndlib_3clm_locsig_detour_callback_func));
4746:
+4747: return res
__Pyx_XDECREF((PyObject *)__pyx_r); __Pyx_INCREF((PyObject *)__pyx_v_res); __pyx_r = __pyx_v_res; goto __pyx_L0;
4748:
4749: else:
+4750: raise TypeError(f"output needs to be a clm gen or np.array not a {type(output)}")
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__pyx_t_4 = __Pyx_PyObject_FormatSimple(((PyObject *)Py_TYPE(__pyx_v_output)), __pyx_empty_unicode); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 4750, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_4);
__pyx_t_3 = __Pyx_PyUnicode_Concat(__pyx_kp_u_output_needs_to_be_a_clm_gen_or, __pyx_t_4); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 4750, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
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__Pyx_GOTREF(__pyx_t_4);
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4751:
+4752: cpdef cython.double locsig(gen: mus_any, loc: int, val: cython.double):
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PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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if (__pyx_kwds) {
Py_ssize_t kw_args;
switch (__pyx_nargs) {
case 3: values[2] = __Pyx_Arg_FASTCALL(__pyx_args, 2);
CYTHON_FALLTHROUGH;
case 2: values[1] = __Pyx_Arg_FASTCALL(__pyx_args, 1);
CYTHON_FALLTHROUGH;
case 1: values[0] = __Pyx_Arg_FASTCALL(__pyx_args, 0);
CYTHON_FALLTHROUGH;
case 0: break;
default: goto __pyx_L5_argtuple_error;
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kw_args = __Pyx_NumKwargs_FASTCALL(__pyx_kwds);
switch (__pyx_nargs) {
case 0:
if (likely((values[0] = __Pyx_GetKwValue_FASTCALL(__pyx_kwds, __pyx_kwvalues, __pyx_n_s_gen)) != 0)) kw_args--;
else if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 4752, __pyx_L3_error)
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CYTHON_FALLTHROUGH;
case 1:
if (likely((values[1] = __Pyx_GetKwValue_FASTCALL(__pyx_kwds, __pyx_kwvalues, __pyx_n_s_loc)) != 0)) kw_args--;
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goto __pyx_L5_argtuple_error;
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values[0] = __Pyx_Arg_FASTCALL(__pyx_args, 0);
values[1] = __Pyx_Arg_FASTCALL(__pyx_args, 1);
values[2] = __Pyx_Arg_FASTCALL(__pyx_args, 2);
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__pyx_v_gen = ((struct __pyx_obj_8pysndlib_3clm_mus_any *)values[0]);
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__pyx_v_val = __pyx_PyFloat_AsDouble(values[2]); if (unlikely((__pyx_v_val == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 4752, __pyx_L3_error)
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__Pyx_RaiseArgtupleInvalid("locsig", 1, 3, 3, __pyx_nargs); __PYX_ERR(0, 4752, __pyx_L3_error)
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/* … */
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/* … */
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4753: """
4754: locsig 'gen' channel 'chan' scaler.
4755:
4756: :param gen: locsig gen
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4759: :return: data
4760: :rtype: float
4761: """
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4857:
4858:
4859: #########################################
4860: # basic file reading/writing to/from nympy arrays
4861: # note all of this assumes numpy dtype is np.double
4862: # also assumes shape is (chan, length)
4863: # a mono file that is 8000 samples long should
4864: # be a numpy array created with something like
4865: # arr = np.zeroes((1,8000), dtype=np.double)
4866: # librosa follows this convention
4867: # todo : look at allowing something like np.zeroes((8000), dtype=np.double)
4868: # to just be treated as mono sound buffer
4869: # the python soundfile library does this differently
4870: # and would use
4871: # arr = np.zeros((8000,1), dtype=np.double))
4872: # this seems less intuitive to me
4873: # very issue to translate with simple np.transpose()
4874:
4875:
4876: # cpdef sndinfo(filename):
4877: # """returns a dictionary of info about a sound file including write date (data), sample rate (srate),
4878: # channels (chans), length in samples (samples), length in second (length), comment (comment), and loop information (loopinfo)"""
4879: # date = csndlib.mus_sound_write_date(filename)
4880: # srate = csndlib.mus_sound_srate(filename)
4881: # chans = csndlib.mus_sound_chans(filename)
4882: # samples = csndlib.mus_sound_samples(filename)
4883: # comment = csndlib.mus_sound_comment(filename)
4884: # length = samples / (chans * srate)
4885: #
4886: # header_type = header(mus_sound_header_type(filename))
4887: # sample_type = sample(mus_sound_sample_type(filename))
4888: #
4889: # loop_info = mus_sound_loop_info(filename)
4890: # if loop_info:
4891: # loop_modes = [loop_info[6], loop_info[7]]
4892: # loop_starts = [loop_info[0], loop_info[2]]
4893: # loop_ends = [loop_info[1], loop_info[3]]
4894: # base_note = loop_info[4]
4895: # base_detune = loop_info[5]
4896: #
4897: # loop_info = {'sustain_start' : loop_starts[0], 'sustain_end' : loop_ends[0],
4898: # 'release_start' : loop_starts[2], 'release_end' : loop_ends[1],
4899: # 'base_note' : base_note, 'base_detune' : base_detune,
4900: # 'sustain_mode' : loop_modes[0], 'release_mode' : loop_modes[1]}
4901: #
4902: # info = {'date' : time.localtime(date), 'srate' : srate, 'chans' : chans, 'samples' : samples,
4903: # 'comment' : comment, 'length' : length, 'header_type' : header_type, 'sample_type' : sample_type,
4904: # 'loop_info' : loop_info}
4905: # return info
4906:
4907: # def sound_loop_info(filename):
4908: # """returns a dictionary of info about a sound file including write date (data), sample rate (srate),
4909: # channels (chans), length in samples (samples), length in second (length), comment (comment), and loop information (loopinfo)"""
4910: #
4911: # loop_info = sndlib.mus_sound_loop_info(filename)
4912: # if loop_info:
4913: # loop_modes = [loop_info[6], loop_info[7]]
4914: # loop_starts = [loop_info[0], loop_info[2]]
4915: # loop_ends = [loop_info[1], loop_info[3]]
4916: # base_note = loop_info[4]
4917: # base_detune = loop_info[5]
4918: #
4919: # loop_info = {'sustain_start' : loop_starts[0], 'sustain_end' : loop_ends[0],
4920: # 'release_start' : loop_starts[2], 'release_end' : loop_ends[1],
4921: # 'base_note' : base_note, 'base_detune' : base_detune,
4922: # 'sustain_mode' : loop_modes[0], 'release_mode' : loop_modes[1]}
4923: # return info
4924: #
4925: # cpdef np.ndarray file2array(filename: str, channel: Optional[int]=0, beg: Optional[int]=None, dur: Optional[int]=None):
4926: # """
4927: # return an ndarray with samples from file
4928: # """
4929: # length = dur or csndlib.mus_sound_framples(filename)
4930: # chans = csndlib.mus_sound_chans(filename)
4931: # srate = csndlib.mus_sound_srate(filename)
4932: # bg = beg or 0
4933: # out = np.zeros(length, dtype=np.double)
4934: #
4935: # cdef double [:] out_view = None
4936: # out_view = out
4937: #
4938: # csndlib.mus_file_to_array(filename,channel, bg, length, &out_view[0])
4939: # return out
4940: #
4941: # def channel2array(filename: str, channel: Optional[int]=0, beg: Optional[int]=None, dur: Optional[int]=None):
4942: # length = dur or mus_sound_framples(filename)
4943: # srate = mus_sound_srate(filename)
4944: # bg = beg or 0
4945: # out = np.zeros((1, length), dtype=np.double)
4946: # mus_file_to_array(filename,channel, bg, length, out[0].ctypes.data_as(ctypes.pointer(ctypes.c_double)))
4947: # return out
4948: #
4949: # def calc_length(start, dur):
4950: # st = seconds2samples(start)
4951: # nd = seconds2samples(start+dur)
4952: # return st, nd
4953: #
4954: # def convert_frequency(gen):
4955: # gen.frequency = hz2radians(gen.frequency)
4956: # return gen
4957: #
4958:
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4963: cdef int _direction
4964: cdef cython.longlong _location
4965: cdef cython.longlong _length
4966: cdef float _val
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5083:
5084:
+5085: cpdef test_data():
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5088: